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Galina-37 [17]
3 years ago
5

Solve for x and y: 7y−5x=31 & x=4−2y

Mathematics
2 answers:
horrorfan [7]3 years ago
7 0
7*y - 5*(4-2y) = 7y - 20 +10y = 17y-20 = 31,

y =3, x = -2.

Weird 20 min without answer!
Brrunno [24]3 years ago
3 0
Y =3 x=-2 hope it helps
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